unbeseem UK /ʌnbɪˈsiːm/US /ʌnbəˈsiːm/ verb1 •(no longer used) To be unseemly or unsuitable for.[I]n all other things they are wise, staid, discreet, and doe nothing unbeseeming their dignity, person, or place, this foolish, ridiculous, and childish feare excepted; […] — 1624 formsunbeseemed · unbeseeming · unbeseems